/*
 * Copyright (c) 2011 Michael Nischt
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of the project's author nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */
package org.interaction3d.assembly.tools.shift.obj;

/**
 *
 * @author Michael Nischt
 */
final class Vertex 
{
    public static final int POSITION = 0, TEXCOORD = 1, NORMAL = 2;

    final int position, texture, normal;

    Vertex(int[] vertex)
    {
        position = vertex[POSITION];
        texture = vertex[TEXCOORD];
        normal = vertex[NORMAL];
    }
    
    Vertex(int v, int vt, int vn)
    {
        position = v;
        texture = vt;
        normal = vn;
    }

    @Override
    public int hashCode()
    {
        return position ^ texture ^ normal;
    }

    @Override
    public boolean equals(Object obj)
    {
        if (obj == null || !(obj instanceof Vertex))
            return false;

        final Vertex other = (Vertex) obj;
        return (this.position == other.position)
        		&& (this.texture == other.texture)
        		&& (this.normal == other.normal);
    }
}
